|Nashbar Suspension 2 MTB Seatpost is the from next generation of Nashbar suspension seatposts and feature both spring preload and sideplay adjustability. Made from 6061-T6 aluminum for added strength and durability, the seatpost is then given a turn finished and anodized black to resist scratches. 350mm length, 75mm min. saddle rail height, 513g. Specify Diameter: 26.0, 26.2, 26.6, 26.8, 27.0, 27.2, OR 30.8mm.